﻿#region ***** BEGIN LICENSE BLOCK *****

/* Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Skybound Software code.
 *
 * The Initial Developer of the Original Code is Skybound Software.
 * Portions created by the Initial Developer are Copyright (C) 2008-2009
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 */

#endregion END LICENSE BLOCK

using System;
using System.Collections.Generic;
using System.Drawing;
using System.Windows.Forms;

namespace Gecko
{
    partial class ConfirmDialog : Form
    {
        public ConfirmDialog()
        {
            InitializeComponent();
        }

        public ConfirmDialog(string message, string title, string button1Text, string button2Text, string button3Text,
            string checkBoxText)
        {
            InitializeComponent();

            this.Font = SystemFonts.MessageBoxFont;
            this.Text = title;

            List<String> buttonText = new List<String>();

            if (button1Text != null)
                buttonText.Add(button1Text);
            if (button2Text != null)
                buttonText.Add(button2Text);
            if (button3Text != null)
                buttonText.Add(button3Text);

            int buttonCount = buttonText.Count;

            while (buttonText.Count < 3)
                buttonText.Insert(0, null);

            if (buttonCount > 1)
            {
                // assign the icon
                this.MBIcon = MessageBoxIcon.Question;
            }
            else
            {
                // hide the icon
                int right = label.Right;
                pictureBox.Visible = false;
                label.Left = pictureBox.Left;
                label.Width = right - label.Left;
            }

            Button[] buttons = {button1, button2, button3};

            int b = 1;
            for (int i = 0; i < 3; i++)
            {
                if (buttonText[i] != null)
                {
                    buttons[i].Text = buttonText[i];
                    buttons[i].DialogResult = (DialogResult) b++;
                }
                else
                {
                    buttons[i].Visible = false;
                }
            }

            // set checkbox text
            if (checkBoxText != null)
            {
                checkBox.Text = checkBoxText;
            }
            else
            {
                panel1.Height = label1.Top - 1;
                checkBox.Visible = false;
            }

            // set label text
            label.Text = message;
            label.Size = label.GetPreferredSize(new Size(label.Width, label.Height));

            // update window size
            int bottomOfContent = Math.Max(label.Bottom,
                ((MBIcon != MessageBoxIcon.None) ? pictureBox.Bottom : label.Bottom));
            int clientHeight = bottomOfContent + label.Top + panel1.Height;

            int buttonExtent = ((buttonText[0] != null) ? (button1.Width + 4) : 0) +
                               ((buttonText[1] != null) ? (button2.Width + 4) : 0) +
                               ((buttonText[2] != null) ? (button3.Width + 4) : 0);

            int clientWidth = Math.Max(buttonExtent + 16, label.Right + 8);

            this.ClientSize = new Size(clientWidth, clientHeight);
        }

        private MessageBoxIcon MBIcon;

        private void pictureBox_Paint(object sender, PaintEventArgs e)
        {
            e.Graphics.DrawIcon(SystemIcons.Question, 0, 0);
        }

        public bool CheckBoxChecked
        {
            get { return this.checkBox.Checked; }
        }

        protected override void WndProc(ref Message m)
        {
            const int WM_NCHITTEST = 0x84;
            const int HTCLIENT = 0x1;
            const int HTCAPTION = 0x2;

            base.WndProc(ref m);

            if (m.Msg == WM_NCHITTEST)
            {
                if (m.Result != (IntPtr) HTCLIENT)
                    m.Result = (IntPtr) HTCAPTION;
            }
        }
    }
}